212023303312330 has 8 divisors (see below), whose sum is σ = 381641945962212. Its totient is φ = 84809321324928.

The previous prime is 212023303312321. The next prime is 212023303312333. The reversal of 212023303312330 is 33213303320212.

It can be written as a sum of positive squares in 2 ways, for example, as 204035484241801 + 7987819070529 = 14284099^2 + 2826273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×212023303312330² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212023303312333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10601165165607 + ... + 10601165165626.

Almost surely, 2^{212023303312330} is an apocalyptic number.

212023303312330 is a deficient number, since it is larger than the sum of its proper divisors (169618642649882).

212023303312330 is a wasteful number, since it uses less digits than its factorization.

212023303312330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21202330331240.

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 212023303312330 its reverse (33213303320212), we get a palindrome (245236606632542).

The spelling of 212023303312330 in words is "two hundred twelve trillion, twenty-three billion, three hundred three million, three hundred twelve thousand, three hundred thirty".